* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

ul li {
	list-style: none;
}

a {
	text-decoration: none;
	color: #333333;
}

.doudle_routing {
	width: 100%;
}


/*头部*/


/*头部*/

.about_header {
	width: 100%;
}

.about_header .about_title {
	width: 95%;
	margin: 20px auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.about_header .about_title a>img {
	width: 15px;
	height: 25px;
}

.about_header .about_title p {
	font-size: 20px;
	color: #000000;
}


/*导航*/

.doudle_nav {
	width: 100%;
}

.doudle_nav ul {
	width: 100%;
	display: flex;
	justify-content: space-around;
	align-items: center;
}

.doudle_nav ul li {
	display: flex;
	justify-content: space-around;
	align-items: center;
	color: #9f9f9f;
}

.doudle_nav ul li a {
	width: 100%;
	display: flex;
	align-items: center;
	display: inline-block;
	padding: 10px 0;
}

.doudle_nav ul li a p {
	font-size: 17px;
}


/*导航结束*/